<?php

/**
 * @class
 * Purpose:
 *
 * Display:
 * Configuration:
 */
class WebServicesFieldFormatter extends TripalFieldFormatter {

  /*
    // The default label for this field.
    public static $default_label = '';
  
    // The list of field types for which this formatter is appropriate.
    public static $field_types = array();
  
    // The list of default settings for this formatter.
    public static $default_settings = array(
      'key' => 'default_value',
    );
  
    /**
     * Provides the field's setting form.
     *
     * This function corresponds to the hook_field_formatter_settings_form()
     * function of the Drupal Field API.
     *
     * The settings form appears on the 'Manage Display' page of the content
     * type administration page. This function provides the form that will
     * appear on that page.
     *
     * To add a validate function, please create a static function in the
     * implementing class, and indicate that this function should be used
     * in the form array that is returned by this function.
     *
     * This form will not be displayed if the formatter_settings_summary()
     * function does not return anything.
     *
     * param $field
     *   The field structure being configured.
     * param $instance
     *   The instance structure being configured.
     * param $view_mode
     *   The view mode being configured.
     * param $form
     *   The (entire) configuration form array, which will usually have no use
     *   here.  Typically for reference only.
     * param $form_state
     *   The form state of the (entire) configuration form.
     *
     * @return
     *   A Drupal Form array containing the settings form for this field.
  
    public function settingsForm($view_mode, $form, &$form_state) {
    }
  
    /**
     *  Provides the display for a field
     *
     * This function corresponds to the hook_field_formatter_view()
     * function of the Drupal Field API.
     *
     *  This function provides the display for a field when it is viewed on
     *  the web page.  The content returned by the formatter should only include
     *  what is present in the $items[$delta]['values] array. This way, the
     *  contents that are displayed on the page, via webservices and downloaded
     *  into a CSV file will always be identical.  The view need not show all
     *  of the data in the 'values' array.
     *
     *  @param $element
     *  @param $entity_type
     *  @param $entity
     *  @param $langcode
     *  @param $items
     *  @param $display
     *
     *  @return
     *    An element array compatible with that returned by the
     *    hook_field_formatter_view() function.
  
    public function view(&$element, $entity_type, $entity, $langcode, $items, $display) {
  
      // Get the settings
      $settings = $display['settings'];
  
    }
  
    /**
     * Provides a summary of the formatter settings.
     *
     * This function corresponds to the hook_field_formatter_settings_summary()
     * function of the Drupal Field API.
     *
     * On the 'Manage Display' page of the content type administration page,
     * fields are allowed to provide a settings form.  This settings form can
     * be used to allow the site admin to define how the field should be
     * formatted.  The settings are then available for the formatter()
     * function of this class.  This function provides a text-based description
     * of the settings for the site developer to see.  It appears on the manage
     * display page inline with the field.  A field must always return a
     * value in this function if the settings form gear button is to appear.
     *
     * See the hook_field_formatter_settings_summary() function for more
     * information.
     *
     * @param $field
     * @param $instance
     * @param $view_mode
     *
     * @return string
     *   A string that provides a very brief summary of the field settings
     *   to the user.
     *
  
    public function settingsSummary($view_mode) {
    }
  */
}